Yamen Ajjour successfully defended his PhD thesis on June 08, 2023 at Bauhaus-University Weimar. Yamen's doctoral thesis is on "Addressing Controversial Topics in Search Engines". Under the supervision of Prof. Dr. Benno Stein (University Weimar) and the expertise of Prof. Dr. Chris Biemann (University of Hamburg) he has managed to convince the examination committee and finish his Ph.D.
Congrats!